Mobile hoisting apparatus



Apl 9, 19440.l

Filed Jan. 16, 1939 l. J. KUERT NOBILE HoIsTING APPARATUS .'5Sheets-Sheet 1 April 9, 1940. J.'v @ERT 2.196.634

` 4 .IOBILE'4 HOISTING APPARATUS Fil'ed Jan. 16. 1939 5 Sheets-Sheet 2Eig INVENTOR. 14' 1ra J. Kuer'i'.

\ l TTORNEY.

l. J. KuER'r IOBILE HOISTING APPARATUS 3 Sheets-Sheet 3 Filed Jan. 16,1939 INVENTOR. J. KUer.

ORNEY.

v4-"oiythemast ata joint=showing it partly disas and is positioned inthestandard aperture 33.

llate-ntedeApr.l 9,1340 ,n n

UNITED STATES PATENT OFIFlCEf L f j 2,196,634. y l l' MOBILE Hois'mNGAPPARATUS yIra JQKuert, Los'Angeles, Calif. `Application January 16,1939, Serial No. 251,147 ,v y 14. claims. (C51. zii- 117).v` A Thisinvention relates to improvements in a 0f the Vapparatus and thevjuncture of the other mobile hoisting apparatus. side and'thehypotenuse4of the triangle forms the The general object ofthe invention isrtoprorear ofthe apparatus. y Vide a travelling, Self-propelled, hoistingappa- At-the front and adjacent each` side thereof '5 ratus particularlyadapted to elevate concrete to the frame I2 has a set of three dependingbearing v 5 be poured in building wall forms. members Mxthereon on keachset of--which a shaft AAnother object of the invention is to provide l5is mounted andI which supports wheels I6. an apparatus of the classdescribed including a At .the rear the apparatus includes a verticaly yvmast which is mounted in a novel manner for bearingcmember I1'positioned between theiframe Y n Aiurther object of the invention is toprovide Y and a rearwardly extending lowereplate I9. vBean'apparatus ofthe class described'including 'a low the `,bearing I'E I provide acaster device 20 mast which is `of novel construction and is comwhichincludes an inverted U-shaped frame 27| posed of ka plurality ofseparable sections. having a "shaft k22 Amountedtherein on which a Otherobjects and the advantagesof this in-` wheel 23 is mounted. Thecasterirame 2| 'invention will be apparent from the followingdecludes anupwardly extending pivot rod 24 whichv scription taken in vconnectionwith the accomis positioned. in the bearing I1. VThe wheel23 is panyingdrawings, wherein: y thus shiftably mounted and is disposed adjacentFig. 1 is'anend view of vmy improved mobile to the intersection of-thehypotenuse side oi the 20: hoisting apparatus; frameand oneother side oftheframe. 20 Fig.'2 is a fragmen arysection taken on line The-france2!includes a rearwardly extending 2.-2 of Fig. l--withthe power plantomitted; portionll' which is suitably apertured'to receive Fig. 3 vis atopl plan view of the apparatus a removable pin' 25 positioned insuitable aligned u shown vin Fig. 1 with the gasolinetank and sup`apertures in the plates I8 and I9 to retain the 2' ports omitted;caster-device 2l) `in a fixed-position. `The device Fig.4 is afragmentary Yside elevation of the 2|]` has a bail-likehandle member 26thereon :for hoisting apparatus; p f f guiding the caster when the pin25 .is removed.

Fig. 5 is a fragmentary section taken on line lntermediatejthe length oithe apparatus I0 the l universal movement. flanges, arearwardlyextending upper plate |73 105` I 5-5 of Fig. 3; r frame I2includes a pair of spaced transverse 3l" Fig. 6 is a kfragmentarysection taken on line channel irons Z'Ion which, adjacentthehypot- ,30,6 5 ofFig. 5-with the ,power plant omitted; enuse Vside ofthe frame, Iprovide av base member Y' Fig. '7 is alfragmentary View' of the sideofthe 28 having a cover member 23 thereon (See Fig apparatus voppositetothat shown in Fig. 4; 2) The base 28 and the `cover 29 have opposedFig. 8L is .a .fragmentary section taken on line hemispherical recesses3|l-toform the socket porn 8-8 oi Figj with thepower plant omitted; tionof ak ball 'andsocket joint. Positioned in the 3,5.; Fig. 9 is anenlarged fragmentary kelevation recess 38 of the base 128 Iprovidea ballmember partly in section oiD the mast andhoistmg cart; 3| having aliattened upper surface on which a Fig. l0 is a section taken on lineIU--I of Fig; yvertical standard 32 is positioned. The standard 9j y Y v32hasa cylindrical vertical aperture i33 therein 4U Fig. 11 is anenlarged fragmentary elevation, and opening through the uppper end hasan en- 1:0 partly in sectiornof the top `section of the mast; largedbore 34 in which a length of tubing 35 Ais Fig. 1-2'is a bottom planview of the top secpositioned and secured asbywelding.. tion'showniinFig. 1.1; l The ball member `3| includes av-pin'portion 33 Fig. 13 isan'enlarged fragmentary elevation extending upwardly' from the flattenedportion 45 sembled and wit-bythe clamping collar insection The ballmember and the standard areA secured and the guide railremovedand kytogether asrby welding. Fig. Mis afragmentary enlargedsection takenAdjacent the lower `end the standard 32 has an Online l--M oi Fig. 4.elongated aperture 31 therein on the side towards 545; Referring tothedrawings by reference .char-r the front of the device. On each side ofthe aper. 50 acters Ihave-indcatedmy improved hoisting apture 31 thestandard includes bracket members paratus generally at IU. `As shown thedevice I3 38 Which support shafts 39 and vil having wire includes atriangularly shaped channel ironrope pulleys 4| and 42` thereon. n framel2 having a plank deck |3 thereon. One The tubing 35 `is adaptedtosupport a mast 43 55, side of the triangular frame l2 forms the frontwhich is made up of a plurality of separable sec- 5ftions 44 and a crownmember 45. Each of the mast sections 44 comprises a length of tubing 45split lengthwise as at 41. (See Figs. 9 and 10.) At the lower end eachof the sections 44 has a length of smaller size tubing 48 split as at 48and welded therein with a predetermined length thereof protruding fromthe end of the tubing 46. Opposite the splits 41v and 48' each of themast sections includes a key member 49 protruding downwardly from thelower end of the tubing 46.` (See Figs. 9 and 13.)

At the upper end each of the mast sections has a clamping collar 50thereon which is secured tov the tubing 46 as by welding. On each sideof the tubing split 41 the collar 50 includes outwardly extending ears5| each of which has an aperture 52 therein. Above the aperture .52 oneof the ears 5I has an aperture 53 therein and the other ear has analigned threaded aperture 54 therein. vPositioned in thev apertures 53and 54 I provide a bolt member 55 having an enlarged head 56 thereon.Opposite the ears 52 thetubing 46 has a recess 58 therein openingthrough the upper end of the tubing to receive the key lmember 49 of themast section thereabove. Opposite the split 41 each of the mast sectionshas a guide rail 59 thereon which is shown as an I-beam welded to thetubing 48.

When the mast sections are assembled the protruding tubing 4K8 of' onesection is placed within the tubing 48 of the section therebelow withthe key member 49 of the uppersection positioned in the recess 58 `ofthe lower section.

l 'I'he bolt 55 of the lowersection is then tightened thereby firmlyclamping the two sections together.

As shown in Figs. l1 and 12 the crownrmember 45 includes an elongatedcylindrical body portion 60 having a recess 6I therein opening throughthe bottom and a reduced aperture 52 opening through the top. At thebottom of the recess 6| I provide a key member 63 which is adapted to bepositioned in the recess 58 of the uppermost mast section.

Extending upwardly and outwardly from the body on the4 same side as thekey 53 the crown member includes a pair of spaced webs |54. Above thebody aperture 52 v I 4provide a wire rope pulley 65 mounted on a shaft66 supported by the webs 64. Adjacent the outer end of the webs 64 andtherebetween I provide a wire rope pulley 61 mounted on a shaft 68supported by the webs 64'.

A wire rope or lcable 63 is positioned over the pulleys 65, and 61 themast 43 and is rove under the pulley 4| and over the pulley 42 andextends downwardly through an aperture 59 in the deck I3 where it isrove under a` pulley 10 and then extends forward and'is wound on a reel1|.

The pulley V1|? is rotatably mounted on a shaft I 12 which isv supportedinv suitable bearing portions on spaced channel members 13 which aresecured to and depend fromI the channel 21 and from another transversechannel iron l14 which `is spaced a predetermined distance Vfrom thefront channel of the frame I2. I

The reel 'II is mounted on a shaft 15 one end of which is journaled inone bers I4 and the opposite end is journaled in a bearing member 116`which; depends `from the frame IZ and is secured thereto as by welding.On one side the reel 1I includes ya 'brake drum Tlwhichis engaged'byAsuitable brake lining on a brake band 18. (See Fig. 8.) One end of theand between the webs 64 l and' extends down 'through` of the bearingmembrake band 18 is anchored to the frame I2 as at 19 and the oppositeend is suitably secured to a crank portion of a shaft BIJ which issupported in bearing members 8| on the frame I2. The shaft extendsthrough a suitable aperture in the side channel of the ltrarne and hasan upwardly extending arm 83 mounted on and secured thereto. .l

One end of a rod 84 is suitably connected adjacent the upper end of thearm 83 and the opposite end is suitably connected to an operating lever85 intermediate the length thereof. (See Fig. 7.) lever 85 is pivotallyconnected as at'86 to a bearing member 81 mounted on the deck I3.

The free end of the cable 69 hasa hook member 88 thereon which isadapted to be engaged by the bail member'89of a bottom gated bucket 90.

For guiding and steadying the bucket 80 in its upward and downwardtravel I provide a guide carriage which is indicated generally .atSI andshown in detail in Figs. 9 and l0. As shown the guide carriageSIfincludes a body portion consisting of a flat plate 92.` vAdjacent thetop and bottom the plate'92 has a pair of spaced arm members 93extending therefrom' towards the mast 43 on each-side of the guide rail59. Rotatably mounted on the end .of each of the arms 93 I provide aroller 94 which is adapted to engage the web of the guide rail adjacentthe outer flangethereof.` Each pair of the arms 93 supports a shaft 95on which is mounted a rollerl 96 which engages the outer surface-oftheouter flange of theI guide rail 59.

Adjacent each set ofarms 93 the plate 92 has a pair of spaced arms 91extending `therefrom- 43 on each side' of the guide |00 between thebosses 39 I provide a. latch member |84 which includes a hook portion|05 adapted to engage the inner surface of the rear wall of the bucketand1 has a lug |06 thereon which is adapted to be positioned in thebucket aperture I 03 and in. the plate aperture |02. l x

The latch |04 allowsthe bucket to hang plumb from the hook 878 andprevents it from swinging away fromthe guide carriage 9| while the guidecart prevents the bucket from striking the mast The mast 43 is adaptedtoI be retained in a true vertical position-by three stays which areindicated generally at |01@ Each of the stays |01 includes a turnbuckle|08, one end of which is anchoredl to the frame I2 by an eye bolt |08.Each of the stays I 01 is formed of a plurality of steel cable sections|09 each of which has an eye I II! at one end and a hook member I |2there- Adjacent the ends thereof 'each of the.V

of arms 93 each has an7 has an aperture |02 therein and" Adjacent thelower end the operating mounted on the deck I3.

' ter bearing |29 rI provide a bearing member arcanes:

`For voperating the hoistingv mechanism 'and propelling vthe apparatusI0 'I providelapower plant which, as shown, consists of van internalcombustion engine ||5, a-clutchmechanism ||6 and a forward and reverselspeed reduction? transmission ||1 all of which are shownrasinounted onspaced channel irons v-l I8-whichfare-in turn mounted one on the frontchannel of the frame and the other onithe transverse channel 14.

f The clutch mechanism I6 includes an operating arm H6 andthetransmission'mechanism includes an operating arm I I9 and'has afdriveshaft |20 extending therefrom.- (See'Figs and 5.) The clutch arm ||6' isconnected through suitable connecting means such as indicate-d at I2| toa suitable operatinglever |22 which is pivotally supported on a Thetransmission arm I I9 is connected through suitable connecting meanssuch as indicatedat |24 to a suitable operating lever |25 -which ispivotally supported on a bearing member |26 mounted on the deck I3.

At the rear of the power shaft |21 which is journale'd-in spaced-endbearings |28 mounted on the deck I3 and inan intermediate bearing |29mounted on the deck i3. (See Fig. 14). The shaft |21 has a sprocket |36mountedthereon which is adapted'tojbe driven through the medium of asprocketchain I3| `by a sprocket |32 on the power plant drive shaft |26.

Mounted on the deck I3 to one side ofthe cen- |33 which lsupports oneportion |34 of a clutch mechanism |35. hollow hub portion |36 which isjournaled in the bearing |33 and in which the shaft |21 is positioned.The hub |36 has a sprocket |31 mounted on and secured thereto whichisadapted to drive a sprocket |38 Y therebelow through the medium of asprocket chain |39 passing* through a suitable aperture |40 in the deck"|3. (See Fig. 8.) The sprocket |38 is 'mounted on and secured kto ashaft I4I which is journaled in suitable bearings on channel irons|42'which are secured to and depend from the channels 21 and ,14.Mounted on and secured to the shaft |4| I provide a sprocket |43 whichvthrough the medium cfa sprocket chain |44 drives a sprocket |45 mountedon and `secured .tothe reel shaft 15.

, The other portion |46 .of the clutchjmechansm |35 is mounted on andsecured to' a sleeve member |41 which is slidably mounted' on; the shaft|21 and secured thereto bya spline as indicated at |46. The sleeve |41has a shifting spool |49 thereon which is adapted to be moved by ashiftingyoke |50 which in turn'is moved by a pivoted arm connected to ashifting lever |52 which is pivotally supported by a bearing' member |53mounted on the deck'l3.

Mounted on the deck |3 on the opposite side of the center bearing |29from thebearing |331 provide a bearing member |55. vThe bearing |55supports one portion IE6-of a clutch mechanism |51. The clutch portion|56 includes a hollow hub portion` and isjournaled in the bearing |55.The/hub |53 has a sprocket |59 mounted on and secured thereto which isadapted. to ydrive a sprocket |56 -therebelow through the medium of asprocket .chain |6| `passing through va suitable aperture 7 |62 in thedeck I3;

(See Figs. 5 and 6.) The sprocket |60 is mounted on and Ysecured.

` |12 which Lis. slidably mounted on? the shaft bearing member f|23vplant I provide a The clutch portion .|734 includes a alongside a wallform |58 which surrounds the shaft I 21V te a .shaft las Avmiciifisjournaiedrm-suitabie' Mounted lon and secured to theshaft |63 I-fpro-kvide a sprocket |65 which through the medium of a sprocket chainsprocket |61 mounted on and secured :to a shaft |68. Theshaft |63 is:journaled inthebearing member 16 and'in one ofthe bearing members I4.',Mounted on andr secured to the shaft |68 I provide a drum member |10.y The other portion |1| of the clutchmechanism |51 is mounted on andsecured to a sleeve member and secured thereto by 'a spline 'asindicated at |13. The sleeve |12 thereonlwhich is adaptedjto be moved'bya shifting yoke |'whi'ch in turn is moved `by a pivoted arm |16. Thefree end of the rpivoted arm |16 is connected by a rod `|11 to ashifting lever v|18 `which is pivotally supported by the-bearing |53.'

will be apparent that Fromjthe foregoing it When the engine ||5isoperating and the clutch mechanismI I6 is in engagement the shaft |21will be rotated by the shaft v.| .through Vthe medium of the sprocketsAand |32 and the 4sprocket chain I3 which the operator sets thetransmission mech-' anism.

."In raising or lowering the mast an elevating means as, e. g., a pipeis inserted in the-eye ||`f3` o-n the crown member. The desired jointclamps are released and the desired sections may then be inserted orremoved dueto the split portion.

The parts are again lclamped and the crown meinber secured in place.

In use-the apparatus I3 and steel cable |65 is wound several timesaround the reel |16. The cable |86 is pulled tight andone end issecured` to a stake |8| or other suitable anchoring means and theopposite end" is secured to a. stake |82 or other suitable anchoringmeans.

To move the. apparatus II) the operator moves the clutch portion |1| ofthe clutch mechanism |51 into engagement with the portion |56'whereuponthe portion l|1| rotates the vportion y|56 whereupon the sprocketI`53Mwill rotate. As the it wil rotate the drum shaft" sprocket |59rotates 68 through themedium of thesprockets I-6|'.l',V |65 and |61 andthe sprocket chains |6| and |66 thereby rotating the drum |16. As thedrum rotates it wil pull the apparatusfl along the cable |36 vinwhichever direction the operator has set the transmissionmechanism |I1.

' With the construction the corner of a wall or building and on accountof the three point suspension and the triangular frame the apparatusmayl make a sharp turnwith the mast remaining close to the wall as theturny is made. 'In doing this the rear stake |'8I -is pulled after theapparatus has advanced toa corner and the `rear stake is driven intotheground around the corner and at the properlocation.y The cable |66 is-fiadapted to drive ai the portion |34 whereuponr is yadapted-to move toaccomplish this a described the apparatusy will runl in a` straight lineland `may be run to ifs has' a shifting spool |14 tached to what wasthen applied to the the forward stake. Power is' drum and the cornerturn is readily made.

member on the top of said From` the foregoing description it will beapparent that I have provided an improved mobile hoisting apparatuswhich is of novel construction and highly eicient in use.

Having thus described my invention I claim:

l.. In a mobile hoisting apparatus, a right triangularly 'shapedsupporting frame, a mast mounted adjacent the middle of the hypotenuseside of said frame, a plurality of wheels mounted 'along one side of theframe, a shiftable wheel mounted adjacent to the intersection of thehypotenuse side of the frame and the other side of the frame, and meansto propel said apparatus.

2. In a mobile hoisting apparatus, a triangular supporting frame, amast, a ball and socket connection supporting the lower end of the maston the frame, said connection being arranged substantially midway of oneside of the frame, means to adjustably support the upper end of themast, a cable supported by said mast, a bucket mounted on said cable,and means engaging the bucket and the mast to prevent swinging of thebucket.

3. In a mobile hoisting apparatus, a supporting frame, wheels on saidframe, a deck on said frame, a hollow mast standard mounted on said`deck, a sectional mast removably mounted in said mast standardsaidframe and said deck being triangularly shaped, and said Vmast standardbeingk located adjacent the middle of the hypotenuse side of said frameand deck.

4. In a mobile hoisting apparatus, a right triangularly shaped frame, amast mo-unted adjacent the middle of the hypotenuse side of saidl frame,said mast including a crown member, a

plurality of supports each having one end en-l gaging said crown member,the other end of each support being secured to theframe with one supportat the juncture of each two sides thereof, a pulley on said mast, acable passing u over said pulley and a bucket suspended from said cable.

` 5. In a mobile hoisting apparatus, a supporting frame, wheels on saidframe, a deck on said frame, a hollowl mast standard mounted on saiddeck, a sectional mast removably mounted in said mast standard, saidframe and said deck being triangularly shaped, said mast standard beinglocated adjacent the middle of the hypotenuse side of said frame anddeck, a crown mast, a guide rail` extending along said mast, acarriageshii'table along said guide rail, a receptacle mounted on saidcarriage, and Vmeans to move said receptacle.

6. In a mobile hoisting apparatus, a supporting frame, wheels 'on saidframe, a deck on said frame, a mast standard mounted on said deck, asectional mast mounted on said mast standard, a crown member on thetopcf said mast, a guide rail extending along the sections of said mast,

a carriage shiftable along said guide rail, a concrete bucket supportedon said carriage, a supporting cable for said bucket, said crown memberincluding a pulley for said cable, a reel, means to guide said cableonto said reel and means to drive said reel.

7. In a mobile hoisting apparatus, a supporting frame, a deck on saidframe, a mast standard mounted on said deck, a sectional mast removablymounted in said mast standard, said frame and said deck being righttriangularly shaped,

2,196,634. `I8!!` isA attached'to the stake while remaining atsaid maststandard being located adjacent the middle of the hypotenuse side of:said frame and deck, al crown member on the topl of said mast, a guiderail extending along said mast, a carriage shiftable along said guiderail, a concrete bucket engaging said carriage, a supporting cable forsaid bucket, said crown member including pulleys over which said cablepasses, a reel, pulleys disposed adjacent to said mast standard andadapted to guide said cable onto said reel, an engine on sai-d deck andmeans whereby said engine drives said reel.

8. In a mobile hoisting apparatus, a support# ing frame, wheels on saidframe, a deck on said frame, a hollow maststandard mounted on said deck,a'hollow sectional mast removably mounted on said mast standard, a crownmember on the top of said mast, a guide rail extending along said mast,a carriage shiftable along said guide rail, 'a concrete bucket supportedon said carriage, a supporting cable for said bucket, said crown memberincluding a pulley for said cable, said cable extending through saidmast and through said mast standard, a reel on said deck, means to guidesaid cable onto said reel and means to drive said reel.

-9. In a mobile hoisting apparatus, a supporting frame, wheels on saidframe, Va deck on said frame, a hollow mast standard mounted on saiddeck, a hollow sectional mast removably mounted in said mast standard,said frame and said deck being right triangularly shaped, `said maststandard being located adjacent the middle of the hypotenuse side ofsaid frame and deck, a crown member on the top of said mast, a guiderail extending along said mast, a carriage shiftable along saidguiderail, a concrete bucket engaging said carriage, a supporting cablefor said bucket, said crown member including pulleys over which saidcable passes, said cable extending vthrough said mast and through saidmast standard, a reel, pulleys disposed adjacent to said mast standardand adapted to guide said cable onto said reel, an engine on said deckand means whereby said engine drives said reel.

10. In a mobile hoisting apparatus, a frame, a hollow mast standard onsaid frame, a plurality of lengths of mast removably secured on saidmast standard, each of said mast lengths being hollow and the lowerportion of each length having a cylindrical portion thereon tting withinthe upper end of the next lower length, the outer length at the jointbeing slit and a clamping collar aligned with the slitted portionreleasable securing means adapted tobe tightened to hold the parts inassembled relation, and means to prevent rotation of one length relativeto the adjoining length.

11. In a mobile hoisting apparatus, a frame, a hollow mast standard onsaid frame, a plurality of lengths of mast removably secured on saidmast standard, each of said mast lengths being hollow and having a notchin the upper edge thereof, each of `said mast sections at its lower endhaving a tongue fitting the notch in the next lower length and having acylindrical portion thereon fitting within the upper end of the nextlower length, the overlapping portions of the lengths being slit and aclamping collar passing over the lengths at the joint andv adapted to betightened to hold the parts in assembled relation.

12. In a mobile hoisting apparatus, a frame,y

vportion, a bucket, said bucket and said carriage y apertures.

.y a mast on saidvframe, a

@2,196s4 n l bucket aperture and said carriage aperture being alignedand said passing through said aligned apertures.

guide rail flanges, a hook pivotally mounted on said carriage, said hookhaving a projecting end having aligned apertures' and said hook'pro-vjecting portion passing through said aligned 13. In a mobilehoistingapparatus;l a frame, guide rail secured on said mast, said guiderail including antinter` mediate portion and a rpair-of edge anges, acarriage having rollers thereon engaging the outside of saidguide rail,said carriage having rollers thereonV Aengaging the inner surface ofanges, a hook pivotally mounted on saidcar riage, said hook havingaprojecting end portion, a bucket, said bucket having an aperturetherein and said carriage having ank aperture, 'saidv the other side ofthe frame, a mast on said frame, a cable supported'by said mast anda'bucket mounted on said cable, a piuralityVv of Wheels;v a l drum andhaving one end extending to the front of the frame and the other` endextending to the y, rear of theframe, and means to drive saidl drum;

- vIRA J. KUERT.

14.l In a mobile hoisting appartus,v a supporting frame, said framebeing triangularly shaped;y a plurality of wheels mounted alongthe'rea-r *y side of the frame, a shiftable Wheel mounted at the frontoi the frame and adjacent to the interseetionof4 thehypotenuse side ofthe frame `andv drum adjacent to'nvsaidv l cable passing over said fhook projecting endvprtonmy nsi

